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Optical monitoring of nanocrystalline diamond with reduced non-diamond contamination

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F10%3A00355152" target="_blank" >RIV/68378271:_____/10:00355152 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Optical monitoring of nanocrystalline diamond with reduced non-diamond contamination

  • Original language description

    Previously, the nanocrystalline grain boundaries were often contaminated by the ?non-diamond phase with the photo-ionization threshold at 0.8 eV. Here, we present the optical spectra of the NCD films grown on transparent substrates by the microwave plasma enhanced chemical vapor deposition (CVD) at a relatively low temperature below 600?C. The transmittance and reflectance spectra are useful to evaluate the film thickness, the surface roughness and the index of refraction. The direct measurement of theoptical absorptance by the laser calorimetry and photothermal deflection spectroscopy (PDS) provides high sensitive methods to measure the weak optical absorption of thin films with rough surface. The optical measurements indicate the high optical transparency of our standard, nominally undoped 0.2-0.3 ?m thick NCD film with low non-diamond content. However, the optical scattering is rather high in UV and needs to be reduced.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BM - Solid-state physics and magnetism

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2010

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Diamond Electronics and Bioelectronics - Fundamentals to Applications III

  • ISBN

    978-1-60511-176-6

  • ISSN

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

  • Publisher name

    Materials Research Society

  • Place of publication

    Warrendale, PA

  • Event location

    Boston

  • Event date

    Nov 30, 2009

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article